138565555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{44059}}^1$

素因数の和:44118

約数の個数: 16

約数和(自身を含む): 180822240

約数和(自身を除く): 42256685

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 44059, 220295, 749003, 1630183, 3745015, 8150915, 27713111, 138565555]

約数ペア:

[(1, 138565555), (5, 27713111), (17, 8150915), (37, 3745015), (85, 1630183), (185, 749003), (629, 220295), (3145, 44059)]